2015
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
897894 |
2380 |
- |
2436 |
= |
-56 |
* |
(86 |
/ |
251)
|
= |
-19.18725099 |
4 |
897895 |
2400 |
- |
2485 |
= |
-85 |
* |
(87 |
/ |
251)
|
= |
-29.46215133 |
5 |
897898 |
2429 |
- |
2528 |
= |
-99 |
* |
(78 |
/ |
251)
|
= |
-30.76494023 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for El Dorado Avenue Elementary
|
-79 |
2016
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
28372 |
2390 |
- |
2436 |
= |
-46 |
* |
(76 |
/ |
240)
|
= |
-14.56666664 |
4 |
28375 |
2377 |
- |
2485 |
= |
-108 |
* |
(83 |
/ |
240)
|
= |
-37.34999996 |
5 |
28377 |
2437 |
- |
2528 |
= |
-91 |
* |
(81 |
/ |
240)
|
= |
-30.7125 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for El Dorado Avenue Elementary
|
-83 |
2017
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
28939 |
2383 |
- |
2436 |
= |
-53 |
* |
(69 |
/ |
231)
|
= |
-15.83116879 |
4 |
28942 |
2400 |
- |
2485 |
= |
-85 |
* |
(83 |
/ |
231)
|
= |
-30.54112552 |
5 |
28943 |
2410 |
- |
2528 |
= |
-118 |
* |
(79 |
/ |
231)
|
= |
-40.35497824 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for El Dorado Avenue Elementary
|
-87 |
2018
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
28989 |
2402 |
- |
2436 |
= |
-34 |
* |
(57 |
/ |
217)
|
= |
-8.93087557 |
4 |
28991 |
2425 |
- |
2485 |
= |
-60 |
* |
(73 |
/ |
217)
|
= |
-20.18433174 |
5 |
28993 |
2442 |
- |
2528 |
= |
-86 |
* |
(87 |
/ |
217)
|
= |
-34.47926259 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for El Dorado Avenue Elementary
|
-64 |
2019
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
29168 |
2401 |
- |
2436 |
= |
-35 |
* |
(67 |
/ |
201)
|
= |
-11.66666666 |
4 |
29169 |
2449 |
- |
2485 |
= |
-36 |
* |
(61 |
/ |
201)
|
= |
-10.92537313 |
5 |
29170 |
2439 |
- |
2528 |
= |
-89 |
* |
(73 |
/ |
201)
|
= |
-32.32338303 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for El Dorado Avenue Elementary
|
-55 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-79
|
-83
|
-87
|
-64
|
-55
|
-368.0 |
-73.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -34.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -112.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: